−8.5 − (−3.6) =
Responses
A −12.1−12.1
B −5.1−5.1
C −4.9−4.9
D 5.9
The correct answer is B) -5.1
the temperature was −4°F this morning. If the temperature dropped 7°F, what is the temperature now?
Responses
A −11°F−11°F
B −3°F−3°F
C 11°F11°F
D 3°F
The temperature dropped by 7°F, so we need to subtract 7 from -4°F.
-4°F - 7°F = -11°F
The temperature now is -11°F.
Therefore, the correct answer is A) -11°F.
-14.25 + -3.78 - (-5.78) - 3.4
Responses
A -19.65-19.65
B -15.65-15.65
C 1.291.29
D 27.2127.21
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To solve this problem, let's simplify the expression step by step:
-14.25 + -3.78 = -18.03
- (-5.78) = 5.78
-18.03 + 5.78 = -12.25
-12.25 - 3.4 = -15.65
Therefore, the correct answer is B) -15.65.
Before it started to rain, Bobby cut 1/8 of the grass in his yard and Danny cut 1/5 of the grass in the yard. Both boys were disappointed because they were not able to cut the entire yard.
Which statement is TRUE?
Responses
A Together the boys didn't even cut half the yard.Together the boys didn't even cut half the yard.
B The boys were able to cut more than half the yard.The boys were able to cut more than half the yard.
C The boys cut almost three-fourths of the yard.The boys cut almost three-fourths of the yard.
D Together the boys cut almost the entire yard.
To determine the total amount of grass the boys cut together, we need to find the sum of the fractions.
1/8 + 1/5 = 5/40 + 8/40 = 13/40
This means that together, the boys cut only 13/40 of the yard.
To determine whether this is less than half, more than half, almost three-fourths, or almost the entire yard, we need to compare 13/40 to these fractions.
13/40 is definitely less than half (1/2) of the yard and less than three-fourths (3/4) of the yard.
It is not close to the entire yard, as it falls significantly short.
Therefore, the correct answer is A) Together the boys didn't even cut half the yard.